648 citations · 7.8k across the 137 of their papers we have counts for
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astro-ph2005★ 2 cited
Gamma Ray Astronomy with Magnetized Zevatrons
Eric Armengaud, Guenter Sigl, Francesco Miniati
Nearby sources of cosmic rays up to a ZeV(=10^21 eV) could be observed with a multi-messenger approach including secondary gamma-rays and neutrinos. If cosmic rays above ~10^18 eV…
astro-ph2005★ 21 cited
Magnetized Sources of Ultra-high Energy Nuclei and Extragalactic Origin of the Ankle
Guenter Sigl, Eric Armengaud
It has recently been suggested that ultra-high energy cosmic rays could have an extragalactic origin down to the "second knee" at ~4x10^{17}eV. In this case the "ankle" or "dip" at…